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Simplifying -3 + 8x = -2(2x + 10) Reorder the terms: -3 + 8x = -2(10 + 2x) -3 + 8x = (10 * -2 + 2x * -2) -3 + 8x = (-20 + -4x) Solving -3 + 8x = -20 + -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. -3 + 8x + 4x = -20 + -4x + 4x Combine like terms: 8x + 4x = 12x -3 + 12x = -20 + -4x + 4x Combine like terms: -4x + 4x = 0 -3 + 12x = -20 + 0 -3 + 12x = -20 Add '3' to each side of the equation. -3 + 3 + 12x = -20 + 3 Combine like terms: -3 + 3 = 0 0 + 12x = -20 + 3 12x = -20 + 3 Combine like terms: -20 + 3 = -17 12x = -17 Divide each side by '12'. x = -1.416666667 Simplifying x = -1.416666667
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